<template>
  <div class="hello">
    <h2>你好啊啊啊啊！</h2>
    <h3 @click="welcome">{{str | daxie}}</h3>
  </div>
</template>

<script>
  export default {
    name:'Hello',
    data() {
      return {
        str:'hello'
      }
    },
  }
</script>

<style scoped>
    .hello {
        background-color: red;
    }
</style>